Alert archive / Illinois / Flood Watches
Flood Watches in Illinois, 2023
32 flood watches in 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flood watches reaches back to 2005.
Flood Watches by county
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Flood Watches
- 32
- Busiest month
- August14 flood watches
- Busiest day
- March 22, 20233 flood watches
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 2:45 AM CST | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 30 hr |
| Jan 31, 3:19 PM CST | Flood Watch | LOT | Winnebago | 48 hr |
| Feb 7, 1:27 PM CST | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 37 hr |
| Feb 8, 12:30 PM CST | Flood Watch | ILX | Clay, Crawford, Jasper, Lawrence, Richland | 13 hr |
| Mar 1, 1:26 PM CST | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 47 hr |
| Mar 1, 1:36 PM CST | Flood Watch | LSX | Clinton, Marion, Monroe, Randolph, Saint Clair, Washington | 46 hr |
| Mar 2, 1:22 AM CST | Flood Watch | ILX | Clark, Clay, Crawford, Edgar, Jasper, Lawrence and 1 more | 40 hr |
| Mar 22, 1:39 PM CDT | Flood Watch | LSX | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 54 hr |
| Mar 22, 1:46 PM CDT | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 59 hr |
| Mar 22, 2:03 PM CDT | Flood Watch | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 58 hr |
| Mar 31, 7:01 PM CDT | Flood Watch | LOT | Cook, DuPage, Kane, Lake, Will | 2 hr |
| May 7, 6:36 PM CDT | Flood Watch | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston and 1 more | 8 hr |
| May 15, 2:07 PM CDT | Flood Watch | LSX | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 16 hr |
| Jul 5, 11:32 AM CDT | Flood Watch | LOT | Cook, DuPage | 9 hr |
| Jul 12, 3:49 AM CDT | Flood Watch | LOT | Cook, DuPage, Will | 15 hr |
| Jul 18, 10:59 AM CDT | Flood Watch | PAH | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 23 hr |
| Jul 19, 2:02 PM CDT | Flood Watch | PAH | Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 6 more | 24 hr |
| Jul 28, 7:36 PM CDT | Flood Watch | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 9 more | 5 hr |
| Aug 2, 1:40 AM CDT | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 58 hr |
| Aug 2, 2:56 AM CDT | Flood Watch | LSX | Calhoun, Clinton, Jersey, Madison, Marion, Monroe and 3 more | 31 hr |
| Aug 3, 7:04 PM CDT | Flood Watch | LSX | Monroe, Randolph | 14 hr |
| Aug 4, 2:00 PM CDT | Flood Watch | LSX | Adams, Brown, Calhoun, Pike | 14 hr |
| Aug 4, 7:29 PM CDT | Flood Watch | ILX | Cass, Fulton, Knox, McLean, Mason, Menard and 6 more | 17 hr |
| Aug 4, 9:53 PM CDT | Flood Watch | DVN | Hancock, Henderson, McDonough, Warren | 12 hr |
| Aug 5, 2:11 AM CDT | Flood Watch | LOT | Ford, Iroquois, Kankakee, Livingston | 18 hr |
| Aug 6, 2:42 AM CDT | Flood Watch | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 21 hr |
| Aug 6, 2:47 AM CDT | Flood Watch | ILX | Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more | 21 hr |
| Aug 9, 10:42 AM CDT | Flood Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 21 more | 11 hr |
| Aug 9, 10:52 AM CDT | Flood Watch | PAH | Alexander, Johnson, Massac, Pulaski, Union | 13 hr |
| Aug 13, 1:34 PM CDT | Flood Watch | PAH | Alexander, Franklin, Jackson, Johnson, Massac, Perry and 5 more | 20 hr |
| Aug 13, 1:53 PM CDT | Flood Watch | LSX | Randolph | 13 hr |
| Aug 14, 3:20 AM CDT | Flood Watch | LOT | Cook, DuPage, Kane, Lake, McHenry | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County9
- Johnson County9
- Massac County9
- Pulaski County9
- Union County9
- Jackson County8
- Pope County8
- Saline County8
- Williamson County8
- Franklin County7
- Hardin County7
- Perry County7
- Gallatin County6
- Randolph County6
- Edwards County5
- Hamilton County5
- Jefferson County5
- Wabash County5
- Wayne County5
- White County5
- Monroe County5
- Cook County5
- DuPage County5
- Clay County4
- Crawford County4
- Jasper County4
- Lawrence County4
- Richland County4
- Clinton County4
- Marion County4
- Saint Clair County4
- Washington County4
- Will County4
- Clark County3
- Madison County3
- Kane County3
- Lake County3
- Kankakee County3
- Winnebago County2
- Edgar County2
55 more counties
- Bond County2
- Fayette County2
- Cumberland County2
- Effingham County2
- Ford County2
- Grundy County2
- Iroquois County2
- LaSalle County2
- Livingston County2
- McHenry County2
- Calhoun County2
- Cass County2
- Fulton County2
- Knox County2
- McLean County2
- Mason County2
- Menard County2
- Morgan County2
- Peoria County2
- Schuyler County2
- Scott County2
- Tazewell County2
- Woodford County2
- Hancock County2
- Henderson County2
- McDonough County2
- Warren County2
- Boone County1
- DeKalb County1
- Kendall County1
- Lee County1
- Ogle County1
- Jersey County1
- Adams County1
- Brown County1
- Pike County1
- Bureau County1
- Henry County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Marshall County1
- Stark County1
- Champaign County1
- Christian County1
- Coles County1
- DeWitt County1
- Douglas County1
- Logan County1
- Macon County1
- Moultrie County1
- Piatt County1
- Sangamon County1
- Shelby County1
- Vermilion County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.